[riot-notifications] [RIOT-OS/RIOT] drivers/mrf24j40: add external PA/LNA control on MC/MD/ME devices (#11410)

benpicco notifications at github.com
Wed May 22 15:28:09 CEST 2019


benpicco commented on this pull request.



> +#else
+    (void) dev;
+#endif
+}
+
+void mrf24j40_enable_lna(mrf24j40_t *dev)
+{
+#if MRF24J40_USE_EXT_PA_LNA
+    /* Disable automatic switch on PA/LNA */
+    mrf24j40_reg_write_long(dev, MRF24J40_REG_TESTMODE, MRF24J40_TESTMODE_RSSIWAIT0);
+
+    /* Configure all GPIOs as Output */
+    mrf24j40_reg_write_short(dev, MRF24J40_REG_TRISGPIO, 0xF);
+
+    /* Enable LNA */
+    mrf24j40_reg_write_short(dev, MRF24J40_REG_GPIO, 0xC);

I thought when the driver from Microchip doesn't bother with it, I could get away without doing so too 😉 

But I've added `mrf24j40_reg_and_short` / `mrf24j40_reg_or_short` now and use explicit defines for the GPIOs.

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